- Patrick S Rush,
- Jason N Rosenbaum,
- Madhuchhanda Roy,
- Rebecca M Baus,
- Daniel D Bennett,
- Ricardo V Lloyd
J Cutan Pathol 2017 Nov 17. Epub 2017 Nov 17.
Department of Pathology & Laboratory Medicine, University of Wisconsin Hospital and Clinics, United States.
Merkel cell carcinoma (MCC) is a rare, clinically aggressive, cutaneous neuroendocrine (NE) neoplasm. As a tumor with small, round, blue cells, the histologic differential diagnosis for MCC can include melanoma, metastatic small cell carcinoma (SCC), nodular hematopoietic tumors, basal cell carcinoma (BCC), atypical variants of squamous carcinoma, and the uncommon occurrence of primary cutaneous Ewing sarcoma. In cases with atypical histology or without the classic immunophenotype the diagnosis can be challenging. Read More